Figure 4-16. Distributor and Coil Installation

TM 10-3930-633-12

13.

Nut

Lockwasher

Tube assembly

14.

Clamp

Mounting strap

Lead set

15.

Screw

Separator

16.

Lockwasher

10.

Lockwasher

Lead

17.

Distributor

11.

Screw

Ignition coil

18.

Sparkplug

12.

Lockwasher

Nut

Figure 4-16. Distributor and Coil Installation

body clockwise until the breaker points are just

c. Installation.

starting to open. Tighten the retaining bolts.

(1) If the crankshaft has not been rotated

(3) Connect the distributor primary wire,

while the distributor was removed, position the

hook up the vacuum hose, install distributor cap,

distributor in the block with the rotor aligned

and hook up spark plug wires. Refer to figure 4-10

with the mark previously scribed on the

for spark plug wiring.

distributor body, and with the marks on the

(4) Set ignition timing as outlined in

distributor body and engine block in alignment.

paragraph 4-38.

With the distributor correctly seated, install the

distributor retaining screw.

4-40. Ignition Coil

(2) If the crankshaft has been rotated while

a. Testing. To test the ignition coil, pull the

the distributor was removed, rotate the

high tension lead from the center contact of the

crankshaft until the No. 1 piston is on TDC

distributor. Hold the lead by the insulation so

after the compression stroke. Position the

that the end contact is within inch of an un-

distributor in the block with rotor at the No. 1

painted, grounded portion of the engine. Turn the

firing position. Install, but do not tighten, the

starter and ignition switch to START. A hot

distributor retaining bolt. Rotate the distributor

4-28